Figure 8-2b -Figure 8-2b Above Shows That Secondary Data May Be Divided

Figure 8-2b
-Figure 8-2b above shows that secondary data may be divided into two related parts.If "B" represents data collected from the U.S.Census Bureau,trade association studies,business periodicals,etc.,which type of data is "B?"

A) questionnaire data
B) mined data
C) internal secondary data
D) external secondary data
E) observational data